Firewall MCQs

10 MCQs  — Computer Networks MCQs

Practice Firewall MCQs with correct answers and explanations. These questions are from the Computer Networks MCQs section.

Network layer firewall works as a __________
A. Frame filter
B. Packet filter
C. From the dangers of unknown resources on the internet and other network connections that may be harmful. the firewall prevents unauthorized access to your internal, trusted network from outside threats.
D. Virus filter
Network layer firewall has two sub-categories as _________
A. State full firewall and stateless firewall
B. Bit oriented firewall and byte oriented firewall
C. Frame firewall and packet firewall
D. Network layer firewall and session layer firewall
Which of the following is / are the types of firewall?
A. Packet filtering firewall
B. Dual homed gateway firewall
C. Screen host firewall
D. Dual host firewall
A proxy firewall filters at _________
A. Physical layer
B. Data link layer
C. Network layer
D. Application layer
A packet filter firewall filters at __________
A. Physical layer
B. Data link layer
C. Network layer or transport layer
D. Application layer
What is one advantage of setting up a DMZ with two firewalls?
A. You can control where traffic goes in three networks
B. You can do stateful packet filtering
C. You can do load balancing
D. Improved network performance
What tells a firewall how to reassemble a data stream that has been divided into packets?
A. The source routing feature
B. The number in the header’s identification field
C. The destination ip address
D. The header checksum field in the packet header